我在windows10下，使用CMake gui 编译krita源码，CMake gui报错：LibMyPaint_DIR-NOTFOUND

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前言

我在windows10下，使用CMake gui 编译krita源码
where is the source code:E:/krita-dev/krita
where to build the binaries:E:/krita-dev/krita_camke
current generator:MinGW Makefiles
分别点击Configure、Generate，输出：

Using CMake version: 3.26.3
Krita version: 5.2.0-prealpha
Branding selected: Next
FindPythonLibrary: TRUE
Python system site-packages directory: C:\Users\ASUS\AppData\Local\Programs\Python\Python310\Lib\site-packages
Krita site-packages directories for SIP v4:
Krita site-packages directories for SIP v5+:
Performing Test CAN_USE_PYTHON_LIBS
Performing Test CAN_USE_PYTHON_LIBS - Success
Could not set up the appstream test. appstreamcli is missing.
CMake Warning at cmake/modules/CheckLibTIFFPSDSupport.cmake:60 (message):
Your version of libtiff cannot read or write Photoshop TIFFs!
Call Stack (most recent call first):
CMakeLists.txt:859 (include)

Found HEIF
Found OpenJPEG
Correctly found FFTW3
Traceback (most recent call last):

File “E:\krita-dev\krita\cmake\modules\FindSIP.py”, line 18, in

import sipbuild

ModuleNotFoundError: No module named ‘sipbuild’

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “E:\krita-dev\krita\cmake\modules\FindSIP.py”, line 28, in

import sipconfig

ModuleNotFoundError: No module named ‘sipconfig’

Traceback (most recent call last):

File “E:\krita-dev\krita\cmake\modules\FindPyQt5.py”, line 22, in

import PyQt5.QtCore

ModuleNotFoundError: No module named ‘PyQt5’

Found LibMyPaint 1.6.1
Found QtGui OpenGL support
Found LittleCMS’s fast float plugin
Could NOT find xsimd (Required is at least version “8.1.0”), checked the following files:
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)

Could NOT find xsimd (Required is at least version “9”), checked the following files:
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)

Could NOT find xsimd (Required is at least version “10”), checked the following files:
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)
C:/msys64/mingw64/lib/cmake/xsimd/xsimdConfig.cmake (version 11.0.0)

Poppler: Qt5 requires Core
Found the following HarfBuzz libraries:
HarfBuzz (required): C:/msys64/mingw64/lib/libharfbuzz.dll.a

Broken tests:
* libs-flake-TestPointMergeCommand
* libs-flake-TestSvgText
* libs-flake-TestSvgTextCloned
* libs-flake-TestSvgTextRoundTrip
* libs-image-kis_transform_mask_test
* libs-image-kis_perspective_transform_worker_test
* libs-ui-KisPaintingAssistantsDecorationTest
* libs-ui-KisClipboardTest
* libs-ui-FreehandStrokeTest
* libs-ui-FreehandStrokeBenchmark
* libs-ui-KisPaintOnTransparencyMaskTest
* libs-ui-FillProcessingVisitorTest
* libs-ui-FilterStrokeTest
* libs-ui-KisSelectionManagerTest
* libs-ui-KisNodeManagerTest
* libs-ui-KisZoomAndPanTest
* libs-ui-KisActionManagerTest
* libs-ui-KisCategoriesMapperTest
* krita-filters-kis_all_filter_test
* krita-filters-kis_crash_filter_test
* plugins-impex-kis_png_test
* plugins-impex-kis_csv_test
* plugins-impex-KisSvgTest
* plugins-metadata-KisExifTest
* plugins-libpaintop-kis_linked_pattern_manager_test
* plugins-defaultpaintops-KisBrushOpTest
* plugins-tools-basictools-MoveStrokeTest
The following features have been enabled:

• Dr. Mingw, Enable the Dr. Mingw crash handler
• Linker Security Flags, Enable DEP (NX), ASLR and high-entropy ASLR linker flags
• Hide safe asserts, Don’t show message box for “safe” asserts, just ignore them automatically and dump a message to the terminal.
• Lock free hash table, Use lock free hash table instead of blocking.
• Enable Broken Tests, Runs broken test when “make test” is invoked (use -DKRITA_ENABLE_BROKEN_TESTS=ON to enable).
• Limit long tests, Run long running unittests in a limited quick mode
• Enable updaters, Enable updaters/update notifications.
• Precompiled Headers, precompiled headers make build process faster on some systems
• Use Qt’s Windows Tablet Support, Do not use Krita’s forked Wintab and Windows Ink support on Windows, but leave everything to Qt.

– The following OPTIONAL packages have been found:

• PythonLibrary (required version >= 3.8), Python Library, https://www.python.org
  Required by the Krita PyQt plugin
• Qt5Multimedia (required version >= 5.12.0), Qt multimedia integration, https://www.qt.io/
  Optionally used to provide sound support for animations
• Qt5Qml (required version >= 5.15.9)
• Qt5QmlModels (required version >= 5.15.9)
• Qt5Quick (required version >= 5.12.0), QtQuick, https://www.qt.io/
  Optionally used for the touch gui for Krita
• Qt5QuickWidgets (required version >= 5.12.0), QtQuickWidgets, https://www.qt.io/
  Optionally used for the touch gui for Krita
• WebP (required version >= 1.2.0), https://developers.google.com/speed/webp
  Required by the WebP plugin
• KSeExpr (required version >= 4.0.0.0), https://invent.kde.org/graphics/kseexpr
  Required by the SeExpr generator layer
• OpenEXR, A library for handling OpenEXR high dynamic-range image files, https://www.openexr.com/
• JPEG, Free library for JPEG image compression. Note that libjpeg8 is NOT supported., https://www.libjpeg-turbo.org
  Required by the Krita JPEG filter
• libjpeg-turbo (required version >= 2.1.3), libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, AVX2, Neon, AltiVec) to accelerate baseline JPEG compression and decompression on x86, x86-64, Arm, and PowerPC systems, as well as progressive JPEG compression on x86 and x86-64 systems., https://www.libjpeg-turbo.org
  Required by the Krita JPEG and TIFF filters
• GIF, Library for loading and saving gif files., http://giflib.sourceforge.net/
  Required by the Krita GIF filter
• HEIF (required version >= 1.11.0), Library for loading and saving heif files., https://github.com/strukturag/libheif
  Required by the Krita HEIF filter
• OpenJPEG (required version >= 2.3.0), Library for loading and saving jp2000 files., https://www.openjpeg.org/
  Required by the Krita JP2000 filter
• JPEGXL (required version >= 0.7.0), JPEG XL is a royalty-free raster-graphics file format that supports both lossy and lossless compression and is experimentally supported by Chrome, Firefox, and Edge., https://github.com/libjxl/libjxl
  Required by the Krita JPEG-XL filter
• FFTW3, A fast, free C FFT library, http://www.fftw.org/
  Required by the Krita for fast convolution operators and some G’Mic features
• OpenColorIO (required version >= 1.1.1), The OpenColorIO Library, https://www.opencolorio.org
  Required by the Krita LUT docker
• LibMyPaint, MyPaint brush engine API for C/C++
  Required for the mypaint brush engine
• Poppler, A PDF rendering library, https://poppler.freedesktop.org/
  Required by the Krita PDF filter.
• KF5KDcraw (required version >= 5.0.0), A thread-safe wrapper around libraw, https://api.kde.org/libkdcraw/html/index.html
  Needed for reading RAW files
• IcoTool, Executable that converts a collection of PNG files into a Windows icon file, https://www.nongnu.org/icoutils/

– The following RECOMMENDED packages have been found:

• GSL, https://www.gnu.org/software/gsl
  Required by Krita’s Transform tool.

– The following REQUIRED packages have been found:

• Python (required version >= 3.8)
• ECM (required version >= 5.22)
• KF5Config (required version >= 5.44.0)
• KF5WidgetsAddons (required version >= 5.44.0)
• KF5Completion (required version >= 5.44.0)
• KF5CoreAddons (required version >= 5.44.0)
• KF5GuiAddons (required version >= 5.44.0)
• KF5ItemModels (required version >= 5.44.0)
• KF5ItemViews (required version >= 5.44.0)
• KF5WindowSystem (required version >= 5.44.0)
• KF5 (required version >= 5.44.0)
• Qt5Widgets
• Qt5Xml
• Qt5Network
• Qt5PrintSupport
• Qt5Svg
• Qt5Test
• Qt5Concurrent
• Qt5Sql
• PNG
• boost_headers (required version == 1.81.0)
• boost_system (required version == 1.81.0)
• Boost (required version >= 1.65), Boost provides free peer-reviewed portable C++ source libraries., https://www.boost.org
• Immer
• Zug
• Lager
• ZLIB, Compression library, https://www.zlib.net/
  Required by Krita’s PNG and PSD support
• TIFF, TIFF Library and Utilities, http://www.libtiff.org
  Required by the Krita TIFF filter
• Eigen3 (required version >= 3.3), C++ template library for linear algebra, http://eigen.tuxfamily.org
• LibExiv2 (required version >= 0.16), Image metadata support, http://www.exiv2.org
• LCMS2 (required version >= 2.4), LittleCMS Color management engine, http://www.littlecms.com
  Will be used for color management and is necessary for Krita
• Qt5
• QUAZIP (required version >= 0.6), A library for reading and writing zip files, https://stachenov.github.io/quazip/
  Needed for reading and writing KRA and ORA files
• Qt5Gui (required version >= 5.15.0)
• Freetype (required version >= 2.10.0), A library for rendering glyphs, https://download.savannah.gnu.org/releases/freetype
  Needed for rendering text vector shapes.
• HarfBuzz (required version >= 4.0.0), OpenType text shaping engine, https://harfbuzz.github.io
  Needed for rendering text vector shapes.
• Raqm (required version >= 0.10.0), Raqm is a small library that encapsulates the logic for complex text layout and provides a convenient API., https://github.com/HOST-Oman/libraqm
  Needed for rendering text vector shapes.
• Fontconfig (required version >= 2.13.1)
  Needed for getting font file information.
• libunibreak (required version >= 5.0), Implementation of the line breaking and word breaking algorithms as described in Unicode Standard Annex 14 and Unicode Standard Annex 29, https://github.com/adah1972/libunibreak
  Needed for rendering text vector shapes.
• Qt5Core (required version >= 5.15.2)
• Gettext
• KF5I18n
• Threads

– The following features have been disabled:

• Install benchmarks, Install benchmarks into the installation root to make them packagable
• Crash on safe asserts, Crash unconditionally whenever a “safe” assert happens. Useful for running unittests
• Foundation Build, A Foundation build is a binary release build that can package some extra things like color themes. Linux distributions that build and install Krita into a default system location should not define this option to true.
• Build Qt Designer plugins, Builds Qt Designer plugins for Krita widgets (use -DBUILD_KRITA_QT_DESIGNER_PLUGINS=ON to enable).
• ASAN address sanitizer, crash Krita if it violates address access rules (-DECM_ENABLE_SANITIZERS=address)

– The following OPTIONAL packages have not been found:

• SIP (required version >= 4.19.13), Support for generating SIP Python bindings, https://www.riverbankcomputing.com/software/sip/download
  Required by the Krita PyQt plugin
• PyQt5 (required version >= 5.6.0), Python bindings for Qt5., https://www.riverbankcomputing.com/software/pyqt/download5
  Required by the Krita PyQt plugin
• xsimd (required version >= 10), C++ wrappers for SIMD intrinsics, https://github.com/xtensor-stack/xsimd
  Required by Krita for vectorization

Configuring done (6.1s)
CMake Warning at plugins/color/lcms2engine/CMakeLists.txt:84 (target_link_libraries):
Target “kritalcmsengine” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.

CMake Warning at cmake/modules/KritaAddBrokenUnitTest.cmake:61 (target_link_libraries):
Target “TestKoLcmsColorProfile” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.
Call Stack (most recent call first):
cmake/modules/KritaAddBrokenUnitTest.cmake:95 (KRITA_ADD_UNIT_TEST)
cmake/modules/KritaAddBrokenUnitTest.cmake:145 (KRITA_ADD_UNIT_TESTS)
plugins/color/lcms2engine/tests/CMakeLists.txt:8 (kis_add_tests)

CMake Warning at cmake/modules/KritaAddBrokenUnitTest.cmake:61 (target_link_libraries):
Target “TestColorSpaceRegistry” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.
Call Stack (most recent call first):
cmake/modules/KritaAddBrokenUnitTest.cmake:95 (KRITA_ADD_UNIT_TEST)
cmake/modules/KritaAddBrokenUnitTest.cmake:145 (KRITA_ADD_UNIT_TESTS)
plugins/color/lcms2engine/tests/CMakeLists.txt:8 (kis_add_tests)

CMake Warning at cmake/modules/KritaAddBrokenUnitTest.cmake:61 (target_link_libraries):
Target “TestLcmsRGBP2020PQColorSpace” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.
Call Stack (most recent call first):
cmake/modules/KritaAddBrokenUnitTest.cmake:95 (KRITA_ADD_UNIT_TEST)
cmake/modules/KritaAddBrokenUnitTest.cmake:145 (KRITA_ADD_UNIT_TESTS)
plugins/color/lcms2engine/tests/CMakeLists.txt:8 (kis_add_tests)

CMake Warning at cmake/modules/KritaAddBrokenUnitTest.cmake:61 (target_link_libraries):
Target “TestProfileGeneration” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.
Call Stack (most recent call first):
cmake/modules/KritaAddBrokenUnitTest.cmake:95 (KRITA_ADD_UNIT_TEST)
cmake/modules/KritaAddBrokenUnitTest.cmake:145 (KRITA_ADD_UNIT_TESTS)
plugins/color/lcms2engine/tests/CMakeLists.txt:8 (kis_add_tests)

CMake Warning at plugins/impex/jpeg/CMakeLists.txt:27 (target_link_libraries):
Target “kritajpegimport” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.

CMake Warning at plugins/impex/jpeg/CMakeLists.txt:40 (target_link_libraries):
Target “kritajpegexport” requests linking to directory
“C:/msys64/mingw64/”. Targets may link only to libraries. CMake is
dropping the item.

Generating done (55.6s)

一、原因

示例：pandas 是基于NumPy 的一种工具，该工具是为了解决数据分析任务而创建的。

二、解决

1.引入库

看起来在编译 Krita 源代码时找不到 LibMyPaint 库。要解决这个问题，请按照以下步骤操作：

确保您已经安装了 LibMyPaint。如果尚未安装，请访问 LibMyPaint GitHub 页面 并按照说明进行安装。

在 CMake GUI 中，单击 “Add Entry”，然后添加以下信息：

Name: LibMyPaint_DIR
Type: PATH
Value: （将其替换为 LibMyPaint 安装目录的路径）
如果您已经安装了 LibMyPaint，但是在编译 Krita 时仍然收到这个错误，请尝试在您的系统环境变量中添加 LibMyPaint 的路径。例如，将以下路径添加到 PATH 环境变量中（根据您的实际安装位置进行调整）：

/bin
/lib
在 CMake GUI 中单击 “Configure”，然后单击 “Generate” 以重新生成构建文件。

## 在 Windows 10 下安装 LibMyPaint 的方法如下：

首先，确保您已经安装了以下依赖项：
MSYS2：用于提供编译环境和一些必需的工具。
MinGW-w64：用于提供编译器和链接器。
打开 MSYS2 MinGW 64-bit 终端（请确保使用 MinGW-w64 终端，而不是普通的 MSYS2 终端）。

更新 MSYS2 和安装所需的依赖包：

sh
Copy code
pacman -Syu
pacman -S git make mingw-w64-x86_64-gcc mingw-w64-x86_64-pkg-config mingw-w64-x86_64-gobject-introspection mingw-w64-x86_64-json-c
克隆 LibMyPaint 的源代码：
sh
Copy code
git clone https://github.com/mypaint/libmypaint.git
进入源代码目录并创建一个构建目录：
sh
Copy code
cd libmypaint
mkdir build
cd build
使用 Meson 配置构建目录：
sh
Copy code
meson ..
使用 Ninja 编译和安装 LibMyPaint：
sh
Copy code
ninja
ninja install
安装完成后，将以下路径添加到您的 PATH 环境变量中（根据您的实际安装位置进行调整）：
/mingw64/bin
/mingw64/lib
现在，LibMyPaint 已经成功安装在您的 Windows 10 系统中。接下来，您可以按照之前提到的步骤设置 CMake 以编译 Krita 源代码。
# 总结
`提示：这里对文章进行总结：`

例如：以上就是今天要讲的内容，本文仅仅简单介绍了pandas的使用，而pandas提供了大量能使我们快速便捷地处理数据的函数和方法。